How many 4-digit numbers can be formed from the digits 0 through 9 if no digit can be repeated and the number should contain digits 2 and 6?
a. 56
b. 5,040
c. 151,200
d. 75,600
a. 56
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Solve the problem.Evaluate 
at (x, y, z) = (5, 2, 2) for the function u(p, q, r) = p2 - q2 - r; p = xy, q = y2, r = xz.
A. 18 B. 38 C. 42 D. 22
Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 41
B. 
C. 5
D. 
Write a formula for the nth term of the indicated sequence. Write out the first five terms of the sequence.geometric: a3 = 75, r = -5
A. an = 3 ? (-5)n; 3, -15, 75, -375, 1875 B. an = 3 ? (-5)n+1; -15, -75, -375, -1875, -9375 C. an = 3 ? (-5)n; -15, 75, -375, 1875, -9375 D. an = 3 ? (-5)n-1; 3, -15, 75, -375, 1875
Determine independence. Answer Yes or No.The table shows the political affiliation of voters in one city and their positions on stronger gun control laws. ?Stronger Gun Control 
Are party affiliation and position on gun control laws independent?
A. Yes B. No